Guenter E. Hagedorn — 3 Patents at Nicollet Technologies

Guenter E. Hagedorn has been granted 3 US patents while listed as an inventor at Nicollet Technologies. The first was granted in 1989 and the most recent in May 1990. Guenter E. Hagedorn ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Guenter E. Hagedorn in Minnetonka, MN, US.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
4930153	PBX voice mail interface	—	1990-05-29
4914690	Universal PBX interface	—	1990-04-03
4843620	Hand-held telephone line signaling test instrument	—	1989-06-27

Guenter E. Hagedorn — 3 Patents

Issued Patents All Time

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